Sectionalized screwdriver design This screwdriver design is constituted with several joint sections. Each section can adapt to different size of screwdriver bit. Each bit can work individually and also can be plugged in and out for substitution. Adding or reducing the number of sections can adjust the overall length of the screwdriver in order to fit various of working situations. Its very convenient for storage as well. The ergonomical design of the handle is extremely comfortable to hold. With this handle design any actions such as push, pull twist would be unimaginably easy. There are recognizable bit icons on the handle so users can intuitively choose what they need.